CHALLENGES IN THE DESIGN OF HIGH RISE BUILDINGS

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CHARACTERESTICS OF HIIGH RISE BUILDINGS

■ What is a High-Rise Building ?? High● Tall buildings cannot be defined in specific terms related just to height or to the number of floors. floors.
-“A building whose height creates different conditions in the design, construction, use than those that exist in common buildings of a certain region and period.” period. -“ A Structure because of its height, is affected by lateral forces due to wind or earthquake actions to an extent that they play an important role in the structural design.” design.

POV: ● From tourist community POV: It forms prestige symbols.). Hong Kong. distinctive land POV: marks. Janeiro.. safety hazards and constitute an easy target in case of war or terrorism. centers.. terrorism. ● High cost of land and limited space ( Tokyo..
. Rio de Janeiro.CHARACTERESTICS OF HIIGH RISE BUILDINGS
■ Why Tall Building (Advantage)??
● From Business POV: business activities need to be as close to each other . ● Increase the risk .)
■ Disadvantage of Tall Building ??
● Putting intense pressure on the available land space .. hotels and commercial city centers.

STAGES OF HIGH RISE DESIGN ■ Design Process
Architectural MEP Structural
Concept Design
Preliminary Structural Design Based on Vertical Loads Plus an allowance for Lateral Loads Based mainly on EXPERIENCE Accurate Modeling and Analysis Based on Final Layout and All Possible Loads and Development of Final LAYOUT DRAWINGS Final Design Calculations and the Development of Working Drawings by Cooperation with CONTRACTORS
Final Design
Working Design
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CHARACTERESTICS OF HIIGH RISE BUILDINGS
■ Tallest twenty high rise in the world
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CHARACTERESTICS OF HIIGH RISE BUILDINGS
■ Distribution of High Rise in the World
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The photo below is the building's current state: the skyscrapers below the Burj Dubai used to look tall. excluding an antenna. 509m. is Taipei 101 in Taiwan which stands at 509m. Note: currently the tallest building on earth.CHARACTERESTICS OF HIIGH RISE BUILDINGS
■ High Rise Example (Burj Dubai)
This is the tallest Man Made Building in the world with a predicted height of 818m. 818m.
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